install.packages('devtools', repos='http://cran.us.r-project.org')
install.packages('quanteda', repos='http://cran.us.r-project.org')
install.packages('quanteda.textstats', repos='http://cran.us.r-project.org')
install.packages('readtext', repos='http://cran.us.r-project.org')
devtools::install_github("quanteda/quanteda.corpora")
devtools::install_github("quanteda/quanteda.textmodels") 
install.packages('ggplot2', repos='http://cran.us.r-project.org')
install.packages("cowplot", repos='http://cran.us.r-project.org')
install.packages("psych", repos='http://cran.us.r-project.org')
install.packages("PerformanceAnalytics", repos='http://cran.us.r-project.org')
install.packages("stringr", repos='http://cran.us.r-project.org’)
install.packages("dplyr", repos='http://cran.us.r-project.org')
install.packages("maps", repos='http://cran.us.r-project.org')
install.packages("leaflet", repos='http://cran.us.r-project.org')
install.packages("rtweet", repos='http://cran.us.r-project.org')
install.packages("httpuv", repos='http://cran.us.r-project.org')
install.packages("ggmap", repos='http://cran.us.r-project.org')
install.packages("gridExtra", repos='http://cran.us.r-project.org')